Home / 54,810.08-75,637.88-30,936.96

Finding the Fourth Proportional to 54,810.08, 75,637.88 and 30,936.96

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Solution

The fourth proportional to 54,810.08, 75,637.88 and 30,936.96 is: 42,692.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,810.08 : 75,637.88 = 30,936.96 : x
  2. Step 2: Convert to fraction form
    54,810.08/75,637.88 = 30,936.96/x
  3. Step 3: Cross multiply
    54,810.08x = 75,637.88 × 30,936.96
  4. Step 4: Simplify right side
    54,810.08x = 2,340,006,068.04
  5. Step 5: Solve for x
    x = 2,340,006,068.04/54,810.08
  6. Step 6: Final answer
    x = 42,692.99

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.